KeyExpressionFactory

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java.lang.Object
- org.eclipse.persistence.jpa.jpql.parser.ExpressionFactory
- - org.eclipse.persistence.jpa.jpql.parser.GeneralIdentificationExpressionFactory
  - - org.eclipse.persistence.jpa.jpql.parser.KeyExpressionFactory

All Implemented Interfaces:

Comparable<ExpressionFactory>
```
public final class KeyExpressionFactory
extends GeneralIdentificationExpressionFactory
```
This KeyExpressionFactory creates a new KeyExpression when the portion of the query to parse starts with KEY.

Since:

2.3

Version:

2.4

Author:

Pascal Filion

See Also:

KeyExpression

- Field Summary
  
  Fields
  Modifier and Type Field and Description
  
  static String ID
  The unique identifier of this KeyExpressionFactory.
- Constructor Summary
  
  Constructors
  Constructor and Description
  
  KeyExpressionFactory()
  Creates a new KeyExpressionFactory.
- Method Summary
  - Methods inherited from class org.eclipse.persistence.jpa.jpql.parser.ExpressionFactory
    compareTo, equals, getExpressionRegistry, getId, hashCode, identifiers, toString
  - Methods inherited from class java.lang.Object
    getClass, notify, notifyAll, wait, wait, wait

- Field Detail
  - ID
```
public static final String ID
```
    The unique identifier of this KeyExpressionFactory.
    
    See Also:
    
    Constant Field Values
- Constructor Detail
  - KeyExpressionFactory
```
public KeyExpressionFactory()
```
    Creates a new KeyExpressionFactory.

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